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Synonyms

jerk-off

American  
[jurk-awf, -of] / ˈdʒɜrkˌɔf, -ˌɒf /

noun

Slang: Vulgar.
  1. a stupid, bumbling, foolish, or lazy person; jerk.

  2. an act of masturbating.


jerk off British  

verb

  1. slang (adverb often reflexive) (of a male) to masturbate

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

jerk off Idioms  
  1. Also, jack off. Masturbate, as in His roommate was always jerking off. [Vulgar slang; first half of 1900s]


Usage

This word was formerly considered to be taboo, and it was labelled as such in previous editions of Collins English Dictionary . However, it has now become acceptable in speech, although some older or more conservative people may object to its use

Etymology

Origin of jerk-off

First recorded in 1965–70; noun use of verb phrase jerk off